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Make a 3D viewer with the power of visual illusion

Suitable For

Grade 3



Time Required

 <12 Hours



What’s it about?

Our eyes and brains work together to let us visually perceive the world around us, but sometimes the images we see does not appear exactly as it would in reality. Make a 3D viewer with the following science experiment and test how an optical illusion can fool our brains into thinking that we are viewing a 3D image:

Topics covered

Optical illusion

What will I need?


Procedure (Method)

Unfortunately, this section is only available in the e-book version of the project.

How does it work?

Unfortunately, this section is only available in the e-book version of the project.

In this science experiment the cross shape hides the edges of the picture so that you cannot see the picture is really flat. Your brain is used to seeing the world in three dimensions and makes the picture appear to be 3D.

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